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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AT45DB321D Fiches technique(PDF) 39 Page - ATMEL Corporation |
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AT45DB321D Fiches technique(HTML) 39 Page - ATMEL Corporation |
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39 / 55 page  39 3597H–DFLASH–02/07 AT45DB321D [Preliminary] 22. Write Operations The following block diagram and waveforms illustrate the various write sequences available. 22.1 Buffer Write 22.2 Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page) FLASH MEMORY ARRAY PAGE (512/528 BYTES) BUFFER 2 (512/528 BYTES) BUFFER 1 (512/528 BYTES) I/O INTERFACE SI BUFFER 1 TO MAIN MEMORY PAGE PROGRAM BUFFER 2 TO MAIN MEMORY PAGE PROGRAM BUFFER 1 WRITE BUFFER 2 WRITE SI (INPUT) CMD Completes writing into selected buffer CS X X···X, BFA9-8 BFA7-0 n n+1 Last Byte BINARY PAGE SIZE 15 DON'T CARE + BFA8-BFA0 SI (INPUT) CMD PA12-6 PA5-0, XX CS Starts self-timed erase/program operation XXXX XX Each transition represents 8 bits n = 1st byte read n+1 = 2nd byte read BINARY PAGE SIZE A21-A9 + 9 DON'T CARE BITS |
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